Robuta

https://codereview.chromium.org/11227042/patch/2001/3035 tests/language/arithmetic_test.dart - Issue 11227042: isEven, isOdd, isNegative, isMaxValue,... arithmetic test tests language dart https://codereview.chromium.org/11227042/diff/2001/tests/language/arithmetic_test.dart tests/language/arithmetic_test.dart - Issue 11227042: isEven, isOdd, isNegative, isMaxValue,... arithmetic test tests language dart